E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Amour propre.
Ones self-love, vanity, or opinion of what is due to self. To make an appeal to ones amour propre, is to put a person on his metal. To wound ones amour propre, is to gall his good opinion of himselfto wound his vanity. (French.)